{shapes={
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  {10,2,0,16,4,6,texture="sand"},
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  {10,2,10,16,4,16,texture="sand"},
  {3,4,3,6,10,6,texture="sand"},
  {10,4,3,13,10,6,texture="sand"},
  {3,4,10,6,10,13,texture="sand"},
  {10,4,10,13,10,13,texture="sand"},
  {3,10,3,13,12,13,texture="sand"},
  {6,12,6,10,14,10,texture="sand"},
  {3,2,3,13,4,13,texture="water_still"}
}}